RP203 Thermal printer with case 5V
- Model RP203 Thermal Printer Panel
- Print method: Direct thermal print and auto paper feed.
- Printing Width: 48 MM.
- Max Printer Speed: 85 mm/s (max).
- Printer Interface: TTL/RS232,
- Command System: ESC/ WH,
- Working Voltage: DC3.3V-9V,15V,
- Rich graphics/curve/text printing function,
- Printing head lifespan: >50KM,
- Paper Type: Thermal paper (With 58mm, Thickness 65+5um, diameter 35mm),
- Printer dimension: 76.8*77.4*43.5mm(w*h*d),
Logic Level Converter
IR-08H Infrared Obstacle Avoidance Sensor Module
- Infra-Red IR Emission Receiver IR-08H for Arduino
- Onboard with HS0038B HS38B IR receiver
- Operating Voltage: 3V – 5.5V
- Detection range : 2cm – 40cm
- Output level: Low logic level when an obstacle is detected
- Working current: 20mAh
- Working temperature: -10’C~+50’C
- IO interface: 4 line (-/+/S/EN)
- Output signal: TTL Level
- Adjusting mode: Multi resistance regulation
- Effective angle: 35°
- Size: 4.5 * 1.1cm(approx)
- Easy to assemble and use
- On-board detection indication
- Pin Connection to the board: 4 pins
- A pre-set knob to fine-tune distance range
MQ-9 Carbon Monoxide, Methane and LPG Gas Sensor Module
- Input voltage: DC 5V
- Power: 150mA
- DO output: TTL digital 0 and 1 (0.1 and 5V)
- AO output: 0.1-0.3V (relatively clean), the highest concentration voltage is about 4V.
- Suitable for home or factory gas leakage monitoring devices.
- Have better sensitivity to Carbon Monoxide, Methane and LPG Gas.
- High quality dual-panel design, with power indicator and TTL signal output instructions.
- DO switching signal (TTL) output and AO analog signal output.
- TTL output valid signal is low. (When the output low signal is on, it can be directly connected micro-controller or relay module.)
- Analog output voltage: the higher concentration, the higher voltage.
- Four screw holes, easy positioning.
- Long life and stability, quick response and resume.
3S BMS BOARD 25A
- Charging Voltage: 12.6V DC CC/CV
- Balance Voltage for Single Cell: 4.2V
- Max Continuous Charge/Discharge Current: 25A
- Overcharge voltage range: 4.25-4.35v + 0.05v.
- Over discharge voltage range: 2.3-2.7v + 0.05v.
- Operating current: 0 – 25A.
- Operating temperature: -40 – +50℃.
- Instantaneous current: 35 – 40A.
- Storage condition: -40 – +80℃.
- Quiescent current: less than 30uA.
- Balance current: about 40 – 50mA.
- Effective life: more than 30000 hours.
- Internal resistance: less than 100m ohms.
- Short-circuit protection: protection, delayed self-recovery.
4×4 Keypad Board Matrix Keyboard 16 Key Buttons For Arduino
- 4×4 Matrix Keyboard Module with 16 buttons
- Small in size and hence Save space
- More convenient to use
- Expanded development application modules for single chip
- With 16 keys and an 8 pin
- The maximum voltage across each button: 24v
- The maximum current across each button: 3mA
- Easy communication with any microcontroller
- Ultra-thin design
- Adhesive backing provides easy integration
- High price-performance ratio
- Allows microcontroller to scan 8 output pins to check which 16 button
- Long life
- Maximum operating temperature: 0 degrees to 50 degrees Celsius
- Dimension: 70*77*1mm
- Weight: 7.5gm
TM1637 4 Bits Digital Tube LED Display Module With Clock Display for Arduino
- Driver Chip: MAX7219
- Input Voltage: 3.7 to 5.3 V
- Input Current: 30 mA
- Display Dimensions: 42x24x12 (LxWxH) mm
- Ease to use.
- Ease of multiplexing.
- Can use as a 4 digit display unit.
- Can use as a clock display.
- The counter project uses 7 segment display.
- 4 M2 screws positioning holes for easy installation
IR Proximity Module using TSOP
- Operating wavelength: Near-infrared region 700 nm to 1400 nm
- Main Chip: LM358
- Operating Voltage Range: 3.6V-5V DC
- Average Current Consumption: 06mA
- Distance Measuring Range: 2 to 30cm
- Detection angle: 35 °
- Easy to assemble and use
- On-board detection indication
- the effective distance range of 2cm to 80cm
- A pre-set knob to fine-tune distance range
- If there is an obstacle, the indicator lights on the circuit board
- 3mm screw holes for easy mounting
- Dimensions: 48 x 14 x 8mm
- Weight:5gm
MAX30102 Heart Rate Oxygen Pulse Breakout Sensor Module For Arduino
- Integrated LEDs, Photo Sensor, and High-Performance Analog Front -End
- Optical Heart-Rate Monitor and Pulse Oximetry Solution
- Measures absorbance of pulsing blood
- I2C interface plus INT pin
- Tiny 12.7mm x 12.7mm (0.5in x 0.5in) Board Size
- Highly integrated, small-size sensor
- Non-chest based heart-rate/SpO2 detection
- Ultra-Low-Power Operation Increases Battery Life for Wearable Devices
- Programmable Sample Rate and LED Current for Power Savings
- Ultra-Low Shutdown Current (0.7µA, typ)
- Advanced Functionality Improves Measurement Performance
- High SNR Provides Robust Motion Artifact Resilience
- Integrated Ambient Light Cancellation
- High Sample Rate Capability
- Fast Data Output Capability
MT8870 DTMF Audio/Speech Decoding Telephone Module
- Power Input: 5V Nominal (4.5V - 5.5V)
- 5 Channel Interface
- Detects 0-9, A-D, *, #
- 54” Pin pitch
- On-board 3.5mm jack input Facility
- On-board MT8870 frequency decoder chip
- On-board voice input interface
- On-board LED lights for output state indication
- Low power consumption
- Internal gain setting amplifier
- Adjustable guard time
- 5 Channel interface
- Power-down mode
- Inhibit mode
- Does not require external circuits or wiring,
- Dimension: 37 x 25 x 12 mm
Delay Timer Switch Adjustable 0-10sec With NE555 Electrical Input 12V 10A
- Module based on the NE555 chip.
- Input voltage: DC 12V
- Adjustable time: 0-10 s
- AC Control voltage: 250V/max. 10A
- DC Control Voltage: 30V/max. 10A
- load: 2200W
- Precision Pulse Generation / Timing.
- Monostable Operation.
- Standby no power consumption
- Excellent temperature stability of 0.005%/°
- Time can be adjusted by a potentiometer, the default is 0-25 seconds
4 Bits Tube Led Display Module Four Serial for Arduino 595 Driver
- Display common anode for the four red LEDs.
- Digital tube 8 Gray Adjustable.
- Level control interface for 5V or 3.3V.
- 4 M2 screws positioning holes for easy installation.
- Ease to use.
- Ease of multiplexing.
- Can use as a 4 digit display unit.
- Can use as a clock display.
- Used for Electrical/Electronic projects.
- Dimension: 42X24X12mm